GWYNETH PALTROW,left, cozies up to the hostess on the series premiere of “The Conversation With Amanda de Cadenet,” at 11 p.m. on Lifetime.

SERIESAmerican Idol: Katy Perry and the tribute band the Queen Extravaganza perform on the results show (8 p.m. Fox).

30 Rock: The Tina Fey-Alec Baldwin sitcom about a late-night sketch show offers up another live outing replete with more surprise cameos (8:30 p.m. NBC).Don’t Be Tardy for the Wedding: The nuptials of Kim Zolciak of “The Real Housewives of Atlanta” and NFL player Kroy Biermann are the subject of this spinoff series (9 p.m. Bravo).Parks and Recreation: Paul Rudd reprises his role as Leslie’s (Amy Poehler) rival in the city council race (9:30 p.m. NBC).Jesus Conspiracies: Noncanonical accounts of Mary Magdalene’s role in Jesus’ ministry are explored (10 p.m. Discovery).7 Days of Sex: This new series offers couples tips for keeping things spicy in the boudoir (10 p.m. Lifetime).

SPECIALS

The Costco Craze: Inside the Warehouse Giant: The super-size retailer gets the once-over in this new business documentary (6, 7, 9 and 10 p.m. CNBC).Inside Punk’d: Go behind the scenes of the hit hidden-camera show in this new special (11 p.m. MTV).

MOVIES

Circle of Iron: “Kung Fu’s” David Carradine costars in this peculiar 1979 fantasy tale based on an idea by martial-arts legend Bruce Lee (6:20 p.m. TMC).